Update to support netbox v3.1 (#82)

* init for v3.1

* added coords + bump version

* fix filter + added preselected roles

* added draw_default_layout

* upgraded packages

* fixed edge/node labels

* fixed enable_circuit_terminations

* added filter for unconnected devices

* added ignore_cable_type

* fixed old settings using a string instead of array

* removed distutils

* fixed coords check

* added coor saving

* added doc img

* updated docs

* bump version

* bump version

netbox_topology_views/api/serializers.py

@@ -3,18 +3,6 @@ from rest_framework.serializers import ModelSerializer
 from dcim.models import DeviceRole, Device
 from extras.models import Tag
 
-class PreDeviceRoleSerializer(ModelSerializer):
-
-    class Meta:
-        model = DeviceRole
-        fields = ('id', 'name')
-
-class PreTagSerializer(ModelSerializer):
-
-    class Meta:
-        model = Tag
-        fields = ('id', 'name')
-        
 
 class TopologyDummySerializer(ModelSerializer):